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Finding the Fourth Proportional to 22,169.98, 30,593.37 and 12,608.58

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Solution

The fourth proportional to 22,169.98, 30,593.37 and 12,608.58 is: 17,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.98 : 30,593.37 = 12,608.58 : x
  2. Step 2: Convert to fraction form
    22,169.98/30,593.37 = 12,608.58/x
  3. Step 3: Cross multiply
    22,169.98x = 30,593.37 × 12,608.58
  4. Step 4: Simplify right side
    22,169.98x = 385,738,953.11
  5. Step 5: Solve for x
    x = 385,738,953.11/22,169.98
  6. Step 6: Final answer
    x = 17,399.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.